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Well, I think I have a polishing bug.
I couldn't resist and went ahead and polished the rotors.
They are now down to 9.5:1 CR (unfortunately).
According to Desktop dyno, this compression ratio increase should give a 12% increase in torque.
Has anyone tried dynoing an engine with low compression rotors and then dynoing the same engine with only a rotor change?
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1986 GXL ('87 4-port NA - Haltech E8, LS2 Coils. Defined Autoworks Headers, Dual 2.5" Exhaust (Dual Superflow, dBX mufflers)
1991 Coupe (KYB AGX Shocks, Eibach lowering springs, RB exhaust, Stock and Automatic)
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